CompoundLookup Search compounds by elements

Carbon + Oxygen Compounds (C + O)

Browse all compounds containing Carbon + Oxygen by molecular formula, IUPAC name, or traditional name. Explore molecular weights and compound details.

We're currently updating our database. We've sourced 10 million compounds so far, with the full 170 million coming shortly.
Total Compounds: 6,571,471
Showing 6,330,301 - 6,330,350 of 6,571,471
Page 126607 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6743363 C19H16N2O2 N-[4-[(2-oxo-1-naphthylidene)methylamino]phenyl]acetamide N-[4-[(2-oxo-1-naphthylidene)methylamino]phenyl]acetamide 304.3
6743364 C17H15N3O3 trans-(1R,2R)-N-[(4-nitrophenyl)methyleneamino]-2-phenyl-cyclopropanecarboxamide trans-(1R,2R)-N-[(4-nitrophenyl)methyleneamino]-2-phenyl-cyclopropanecarboxamide 309.32
6743365 C19H17N3O trans-(1R,2R)-N'-(indol-3-ylidenemethyl)-2-phenyl-cyclopropanecarbohydrazide trans-(1R,2R)-N'-(indol-3-ylidenemethyl)-2-phenyl-cyclopropanecarbohydrazide 303.4
6743366 C14H10N2O6 2-hydroxy-5-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]benzoic acid 2-hydroxy-5-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]benzoic acid 302.24
6743367 C14H10F3NO2 3-hydroxy-4-[[3-(trifluoromethyl)anilino]methylene]cyclohexa-2,5-dien-1-one 3-hydroxy-4-[[3-(trifluoromethyl)anilino]methylene]cyclohexa-2,5-dien-1-one 281.23
6743368 C12H10N2O4 N'-[(3-hydroxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]furan-2-carbohydrazide N'-[(3-hydroxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]furan-2-carbohydrazide 246.22
6743369 C12H10N2O4 N'-[(3-hydroxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]furan-2-carbohydrazide N'-[(3-hydroxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]furan-2-carbohydrazide 246.22
6743370 C12H9ClN2O3 N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]furan-2-carbohydrazide N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]furan-2-carbohydrazide 264.66
6743371 C12H9ClN2O3 N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]furan-2-carbohydrazide N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]furan-2-carbohydrazide 264.66
6743372 C13H10N4O4 N'-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyridine-3-carbohydrazide N'-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyridine-3-carbohydrazide 286.24
6743373 C13H10N4O4 N'-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyridine-3-carbohydrazide N'-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyridine-3-carbohydrazide 286.24
6743374 C13H10BrNO2 4-[(3-bromoanilino)methylene]-3-hydroxy-cyclohexa-2,5-dien-1-one 4-[(3-bromoanilino)methylene]-3-hydroxy-cyclohexa-2,5-dien-1-one 292.13
6743375 C13H17NO2 4-[(cyclohexylamino)methylene]-3-hydroxy-cyclohexa-2,5-dien-1-one 4-[(cyclohexylamino)methylene]-3-hydroxy-cyclohexa-2,5-dien-1-one 219.28
6743376 C18H20BrNO 6-[(benzylamino)methylene]-4-bromo-2-tert-butyl-cyclohexa-2,4-dien-1-one 6-[(benzylamino)methylene]-4-bromo-2-tert-butyl-cyclohexa-2,4-dien-1-one 346.3
6743377 C19H16N4O2 3-methoxy-6-[4-(1-phenylpyrazol-4-yl)-1,2-dihydropyrazol-3-ylidene]cyclohexa-2,4-dien-1-one 3-methoxy-6-[4-(1-phenylpyrazol-4-yl)-1,2-dihydropyrazol-3-ylidene]cyclohexa-2,4-dien-1-one 332.4
6743378 C14H11N3O2 6-[5-(6-oxocyclohexa-2,4-dien-1-ylidene)-1,2,4-triazolidin-3-ylidene]cyclohexa-2,4-dien-1-one 6-[5-(6-oxocyclohexa-2,4-dien-1-ylidene)-1,2,4-triazolidin-3-ylidene]cyclohexa-2,4-dien-1-one 253.26
6743379 C16H13FN2O3 6-[4-(4-fluorophenoxy)-1,2-dihydropyrazol-3-ylidene]-3-methoxy-cyclohexa-2,4-dien-1-one 6-[4-(4-fluorophenoxy)-1,2-dihydropyrazol-3-ylidene]-3-methoxy-cyclohexa-2,4-dien-1-one 300.28
6743380 C16H13FN2O4 4-[4-(2-fluorophenoxy)-5-methyl-1,2-dihydropyrazol-3-ylidene]-2,3-dihydroxy-cyclohexa-2,5-dien-1-one 4-[4-(2-fluorophenoxy)-5-methyl-1,2-dihydropyrazol-3-ylidene]-2,3-dihydroxy-cyclohexa-2,5-dien-1-one 316.28
6743381 C16H11ClN2O2 6-[4-(4-chlorobenzoyl)-1,2-dihydropyrazol-3-ylidene]cyclohexa-2,4-dien-1-one 6-[4-(4-chlorobenzoyl)-1,2-dihydropyrazol-3-ylidene]cyclohexa-2,4-dien-1-one 298.72
6743382 C18H18N2O2 3-ethoxy-2-methyl-6-(4-phenyl-1,2-dihydropyrazol-3-ylidene)cyclohexa-2,4-dien-1-one 3-ethoxy-2-methyl-6-(4-phenyl-1,2-dihydropyrazol-3-ylidene)cyclohexa-2,4-dien-1-one 294.3
6743383 C11H13NOS 4-(2-sulfanylanilino)pent-3-en-2-one 4-(2-sulfanylanilino)pent-3-en-2-one 207.29
6743384 C18H18N2O2 3-methoxy-2-methyl-6-(5-methyl-4-phenyl-1,2-dihydropyrazol-3-ylidene)cyclohexa-2,4-dien-1-one 3-methoxy-2-methyl-6-(5-methyl-4-phenyl-1,2-dihydropyrazol-3-ylidene)cyclohexa-2,4-dien-1-one 294.3
6743385 C21H17NO3 (3S)-3-hydroxy-3-(2-oxo-4-phenyl-but-3-enyl)-1-prop-2-ynyl-indolin-2-one (3S)-3-hydroxy-3-(2-oxo-4-phenyl-but-3-enyl)-1-prop-2-ynyl-indolin-2-one 331.4
6743386 C20H18N4O2 3-methoxy-6-[5-methyl-4-(1-phenylpyrazol-4-yl)-1,2-dihydropyrazol-3-ylidene]cyclohexa-2,4-dien-1-one 3-methoxy-6-[5-methyl-4-(1-phenylpyrazol-4-yl)-1,2-dihydropyrazol-3-ylidene]cyclohexa-2,4-dien-1-one 346.4
6743387 C18H19N3O 6-[[(1-tert-butylbenzimidazol-5-yl)amino]methylene]cyclohexa-2,4-dien-1-one 6-[[(1-tert-butylbenzimidazol-5-yl)amino]methylene]cyclohexa-2,4-dien-1-one 293.4
6743388 C16H14N2O4 2,3-dihydroxy-4-(5-methyl-4-phenoxy-1,2-dihydropyrazol-3-ylidene)cyclohexa-2,5-dien-1-one 2,3-dihydroxy-4-(5-methyl-4-phenoxy-1,2-dihydropyrazol-3-ylidene)cyclohexa-2,5-dien-1-one 298.29
6743389 C16H10Cl2N2O2 4-chloro-6-[4-(2-chlorobenzoyl)-1,2-dihydropyrazol-3-ylidene]cyclohexa-2,4-dien-1-one 4-chloro-6-[4-(2-chlorobenzoyl)-1,2-dihydropyrazol-3-ylidene]cyclohexa-2,4-dien-1-one 333.2
6743390 C16H14N2O2 3-hydroxy-2-methyl-4-(4-phenyl-1,2-dihydropyrazol-3-ylidene)cyclohexa-2,5-dien-1-one 3-hydroxy-2-methyl-4-(4-phenyl-1,2-dihydropyrazol-3-ylidene)cyclohexa-2,5-dien-1-one 266.29
6743391 C18H18N2O2 3-ethoxy-6-(5-methyl-4-phenyl-1,2-dihydropyrazol-3-ylidene)cyclohexa-2,4-dien-1-one 3-ethoxy-6-(5-methyl-4-phenyl-1,2-dihydropyrazol-3-ylidene)cyclohexa-2,4-dien-1-one 294.3
6743392 C19H14N4O3 5-[4-(1-phenylpyrazol-4-yl)-1,2-dihydropyrazol-3-ylidene]-1,3-benzodioxol-4-one 5-[4-(1-phenylpyrazol-4-yl)-1,2-dihydropyrazol-3-ylidene]-1,3-benzodioxol-4-one 346.3
6743393 C18H18N2O3 3-methoxy-6-[4-(4-methoxyphenyl)-5-methyl-1,2-dihydropyrazol-3-ylidene]cyclohexa-2,4-dien-1-one 3-methoxy-6-[4-(4-methoxyphenyl)-5-methyl-1,2-dihydropyrazol-3-ylidene]cyclohexa-2,4-dien-1-one 310.3
6743394 C16H13FN2O3 4-[4-(2-fluorophenoxy)-5-methyl-1,2-dihydropyrazol-3-ylidene]-3-hydroxy-cyclohexa-2,5-dien-1-one 4-[4-(2-fluorophenoxy)-5-methyl-1,2-dihydropyrazol-3-ylidene]-3-hydroxy-cyclohexa-2,5-dien-1-one 300.28
6743396 C9H10N2O5 2-ethoxy-4-[(hydroxyamino)methylene]-6-nitro-cyclohexa-2,5-dien-1-one 2-ethoxy-4-[(hydroxyamino)methylene]-6-nitro-cyclohexa-2,5-dien-1-one 226.19
6743397 C9H10N2O5 2-ethoxy-4-[(hydroxyamino)methylene]-6-nitro-cyclohexa-2,5-dien-1-one 2-ethoxy-4-[(hydroxyamino)methylene]-6-nitro-cyclohexa-2,5-dien-1-one 226.19
6743398 C20H17N3O2 1-(3,4-dimethylphenyl)-4-(1H-indol-3-ylmethylene)pyrazolidine-3,5-dione 1-(3,4-dimethylphenyl)-4-(1H-indol-3-ylmethylene)pyrazolidine-3,5-dione 331.4
6743399 C16H15N3O2S 4-methoxy-6-[[2-(3-methyl-1,3-benzothiazol-2-ylidene)hydrazino]methylene]cyclohexa-2,4-dien-1-one 4-methoxy-6-[[2-(3-methyl-1,3-benzothiazol-2-ylidene)hydrazino]methylene]cyclohexa-2,4-dien-1-one 313.4
6743400 C16H15N3O2S 4-methoxy-6-[[2-(3-methyl-1,3-benzothiazol-2-ylidene)hydrazino]methylene]cyclohexa-2,4-dien-1-one 4-methoxy-6-[[2-(3-methyl-1,3-benzothiazol-2-ylidene)hydrazino]methylene]cyclohexa-2,4-dien-1-one 313.4
6743401 C16H16N2O2S 6-[(5R)-5-(4-ethoxyphenyl)-1,3,4-thiadiazolidin-2-ylidene]cyclohexa-2,4-dien-1-one 6-[(5R)-5-(4-ethoxyphenyl)-1,3,4-thiadiazolidin-2-ylidene]cyclohexa-2,4-dien-1-one 300.4
6743402 C17H20N2O4S 4-tert-butyl-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonohydrazide 4-tert-butyl-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonohydrazide 348.4
6743403 C17H20N2O4S 4-tert-butyl-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonohydrazide 4-tert-butyl-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonohydrazide 348.4
6743404 C18H15N3O3 N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]quinoline-2-carbohydrazide N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]quinoline-2-carbohydrazide 321.3
6743405 C18H15N3O3 N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]quinoline-2-carbohydrazide N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]quinoline-2-carbohydrazide 321.3
6743406 C16H15N3OS (Z)-N-[(Z)-(2-methoxyphenyl)methyleneamino]-3-methyl-1,3-benzothiazol-2-imine (Z)-N-[(Z)-(2-methoxyphenyl)methyleneamino]-3-methyl-1,3-benzothiazol-2-imine 297.4
6743407 C18H25NO5 1-[(2R,6R)-2,6-dimethylmorpholin-4-yl]-3-(3,4,5-trimethoxyphenyl)prop-2-en-1-one 1-[(2R,6R)-2,6-dimethylmorpholin-4-yl]-3-(3,4,5-trimethoxyphenyl)prop-2-en-1-one 335.4
6743408 C15H12N4O3S 6-[[2-(3-methyl-1,3-benzothiazol-2-ylidene)hydrazino]methylene]-2-nitro-cyclohexa-2,4-dien-1-one 6-[[2-(3-methyl-1,3-benzothiazol-2-ylidene)hydrazino]methylene]-2-nitro-cyclohexa-2,4-dien-1-one 328.3
6743409 C15H12N4O3S 6-[[2-(3-methyl-1,3-benzothiazol-2-ylidene)hydrazino]methylene]-2-nitro-cyclohexa-2,4-dien-1-one 6-[[2-(3-methyl-1,3-benzothiazol-2-ylidene)hydrazino]methylene]-2-nitro-cyclohexa-2,4-dien-1-one 328.3
6743410 C9H10INO3 2-ethoxy-4-[(hydroxyamino)methylene]-6-iodo-cyclohexa-2,5-dien-1-one 2-ethoxy-4-[(hydroxyamino)methylene]-6-iodo-cyclohexa-2,5-dien-1-one 307.08
6743411 C9H10INO3 2-ethoxy-4-[(hydroxyamino)methylene]-6-iodo-cyclohexa-2,5-dien-1-one 2-ethoxy-4-[(hydroxyamino)methylene]-6-iodo-cyclohexa-2,5-dien-1-one 307.08
6743414 C10H6BrF3O2 4-(3-bromophenyl)-1,1,1-trifluoro-4-hydroxy-but-3-en-2-one 4-(3-bromophenyl)-1,1,1-trifluoro-4-hydroxy-but-3-en-2-one 295.05
6743415 C14H12N6O3 1-(m-tolyl)-5-[(1,2,4-triazol-4-ylamino)methylene]hexahydropyrimidine-2,4,6-trione 1-(m-tolyl)-5-[(1,2,4-triazol-4-ylamino)methylene]hexahydropyrimidine-2,4,6-trione 312.28

Related Element Combinations

Explore other compound combinations that include similar elements. Discover more chemistry by browsing related searches.

Looking for a specific combination?

Select any elements from the periodic table and discover all known compounds instantly.

NIH

Data Sourced from PubChem

All compound data on CompoundLookup comes from PubChem, the world's largest free chemistry database maintained by the National Institutes of Health (NIH). We've indexed and organized this data to enable element-based searching - a feature not available on any other platform. We're constantly adding more compounds and improving our coverage. Learn more about our mission.